Quoted By:
>build two low weight aluminium frame bikes, one with single low gear, one with single high gera
>wear bike-carrying backpack
>ride one bike while carrying second bike on back
>hill ahead
>stop to change bikes
>cruise on
it's perfect. thank me later.
bonus:
>narrow tunnel ahead
>take off backpack
>ride first through
>run back
>ride second bike through
>reattach first back to backpack
>cruise on
absolutely genious solution.